:root {
    --bg-color: #0f172a;
    --card-bg: #1e293b;
    --text-main: #f8fafc;
    --accent: #38bdf8;
    --danger: #ef4444;
    --success: #22c55e;
}

body {
    font-family: 'Poppins', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-main);
    margin: 0;
    line-height: 1.6;
}

.container {
    max-width: 900px;
    margin: 0 auto;
    padding: 2rem;
}

/* LANG SWITCHER */
.lang-switcher {
    position: fixed;
    top: 1rem;
    right: 1rem;
    z-index: 100;
}

.lang-switcher button {
    background: var(--card-bg);
    border: 1px solid var(--accent);
    color: white;
    padding: 0.5rem 1rem;
    cursor: pointer;
    border-radius: 8px;
    margin-left: 0.5rem;
    transition: 0.3s;
}

.lang-switcher button:hover {
    background: var(--accent);
    color: var(--bg-color);
}

/* HEADER */
header {
    text-align: center;
    margin-bottom: 3rem;
}

h1 { font-size: 2.5rem; margin-bottom: 0.5rem; color: var(--accent); }
.subtitle { opacity: 0.8; font-weight: 300; }

/* MENU GRID */
.grid-menu {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.menu-card {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 16px;
    text-decoration: none;
    color: inherit;
    transition: transform 0.3s, border-color 0.3s;
    border: 1px solid transparent;
    position: relative;
}

.menu-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent);
}

.card-num {
    font-size: 0.8rem;
    color: var(--accent);
    font-weight: bold;
    display: block;
    margin-bottom: 1rem;
}

/* CONTENT BOX (Dla podstron) */
.content-box {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 16px;
    margin-top: 2rem;
}

.guide-section h3 { color: var(--accent); margin-top: 2rem; }
.step { margin-bottom: 2rem; border-left: 3px solid var(--accent); padding-left: 1rem; }
.step h4 { margin-top: 0; color: var(--success); }

hr.separator { border: 0; border-top: 1px solid rgba(255,255,255,0.1); margin: 2rem 0; }

.back-link {
    display: inline-block;
    margin-top: 2rem;
    color: var(--accent);
    text-decoration: none;
}

footer { text-align: center; margin-top: 4rem; opacity: 0.5; font-size: 0.9rem; }